import java.io.*;
import java.util.*;

class Main
{
    public static void main(String args[])throws Exception
    {
        BufferedReader bu=new BufferedReader(new InputStreamReader(System.in));
        StringBuilder sb=new StringBuilder();
        char s[]=bu.readLine().toCharArray();

        int i,ans=0,n=s.length,m=1<<(n-1);
        for(i=0;i<m;i++)
        {
            int j;
            long add=0,cur=0;
            for(j=0;j<n;j++)
            {
                cur=cur*10+s[j]-'0';
                if(((i>>j)&1)==1) {add+=cur; cur=0;}
            }
            add+=cur;
            //System.out.println(add);
            if(prime(add)) ans++;
        }
        System.out.println(ans);
    }

    static boolean prime(long n)
    {
        if(n==1) return false;
        long i=2;
        for(i=2;i*i<=n;i++)
        if(n%i==0) return false;
        return true;
    }
}